Robtex

Up: 31.163.128.0/18
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Down left: 31.163.128.0/20
Down right: 31.163.144.0/20

IP	Type	Hostname
31.163.128.131	PTR	ws131.zone31-163-128.zaural.ru
31.163.131.99	PTR	ws99.zone31-163-131.zaural.ru
31.163.132.164	PTR	ws164.zone31-163-132.zaural.ru
31.163.137.97	PTR	ws97.zone31-163-137.zaural.ru
31.163.138.130	PTR	ws130.zone31-163-138.zaural.ru
31.163.138.164	PTR	ws164.zone31-163-138.zaural.ru
31.163.142.66	PTR	ws66.zone31-163-142.zaural.ru
31.163.145.224	PTR	ws224.zone31-163-145.zaural.ru
31.163.157.66	PTR	ws66.zone31-163-157.zaural.ru